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Special Five Things You Need to Know: What Does Mark-to-Model Mean?

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There's an old investment saw that says "Paper losses don't exist until you sell." That old saw is being tested in real time, right now.

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Minyanville's daily Five Things You Need to Know to stay ahead of the pack on Wall Street:

The resignation of Citigroup (C) chief executive Charles Prince and news of additional writedowns at the firm have raised the profile of hazy Wall Street phrases such as collateralized debt obligations, super seniors and mark-to-model. Five Things took a look at this issue last June. Below is a refresher on "mark-to-model" from the June 27 daily column:

What Is Mark-to-Model?

As Minyanville Professor John Succo wondered back in May, why is it that financial markets were (are) so sanguine in the face of what all available data suggests are rapidly deteriorating collateral values in the mortgage market? Why aren't losses being seen? Even now, they aren't being seen.

The answer, we now know, is mark-to-model.

What does "mark-to-model" mean? Let's use something even we can understand - a sports card example. Suppose you and I are collectors (investors) in sports cards, but not baseball cards, the "prime" sports card market. No, we collect professional golfer cards - the "subprime" sports card market.

Why would we collect professional golfer cards? Simple, we're looking for an alpha edge - a fancy way of saying "excess return" - and by using leverage we believe we can buy these illiquid sports cards and sell them later to someone else for more money. Ok, ok, there are a couple of problems with this scheme you can see already.

  • First, the market for professional golfer cards is far, far riskier and smaller (illiquid) than the market for professional baseball player cards.
  • Second, since they so rarely trade, it's difficult to value the cards on a day-to-day (even week-to-week) basis.


Ok, so back to the sports card market. Let's say that baseball cards are "highly liquid," meaning that, like stocks or U.S. Treasuries, they trade every day. These trades provide a way to instantaneously value our portfolio of baseball cards at any time. To value our baseball card portfolio, we simply look up the most recent trade of, say, our 2004 Derek Jeter card and record the value. This is called "Mark-to-Market."

This "liquidity" is particularly helpful if we are using leverage (meaning, if we are using borrowed money to buy baseball cards with the hope that the borrowed money will increase our return when we decide to sell) since it allows us to closely monitor and track exposure and adjust the amount of leverage we are using accordingly.

So how do we know, at any given time, what our leveraged portfolio of professional golfer cards are worth? They rarely trade, so we can't look up similar cards that have recently traded in the market. Well, unfortunately, in our professional golfer card portfolio we can't mark-to-market because these cards trade so infrequently.

So how do we value our portfolio?

Simple, we have some mathematicians build us a model that values the cards based on how each golfer performed last year, the tournaments in which they made the cut, their overall earnings and rankings among their peers, and a rating that a separate "professional golf card agency" that follows the golfers posts.

Wait, did you say, "a model that values the cards based on how each golfer performed last year"? Yes.

But what if a professional golfer's card in our portfolio is a guy who last year ranked fourth overall in earnings and won two tournaments, but suddenly gets injured this year, fails to finish a few tournaments, and slips down to 40th in overall earnings?

Hmmm, good question. For that we would rely on that separate "professional golf card agency" we mentioned to "re-rate" this card. Then we would simply input that revised rating into our models and adjust the value accordingly.

But what if the rating agency, for a variety of reasons, chooses not to re-rate the card?

Then we have a situation where the value of the card that is being spit out by our model is in no way even close to the true market value of the card.

Wouldn't that be a problem if we suddenly feared that all the ratings of our cards were too high? Wouldn't our model be insufficient? Might we not be over-leveraged in cards that have very little real market value? Yes, yes and yes.

And that is precisely where we are right now with respect to CDOs. (EDITOR'S NOTE: "Right now" meaning the date this column was originally written - June 27, 2007).

The credit ratings agencies' ratings are key in the mark-to-model values, and so far very few CDOs have been re-rated in a way that reflects the surging subprime default rates.

There's an old investment saw that says "Paper losses don't exist until you sell." That old saw is being tested in real time, right now.

No positions in stocks mentioned.

The information on this website solely reflects the analysis of or opinion about the performance of securities and financial markets by the writers whose articles appear on the site. The views expressed by the writers are not necessarily the views of Minyanville Media, Inc. or members of its management. Nothing contained on the website is intended to constitute a recommendation or advice addressed to an individual investor or category of investors to purchase, sell or hold any security, or to take any action with respect to the prospective movement of the securities markets or to solicit the purchase or sale of any security. Any investment decisions must be made by the reader either individually or in consultation with his or her investment professional. Minyanville writers and staff may trade or hold positions in securities that are discussed in articles appearing on the website. Writers of articles are required to disclose whether they have a position in any stock or fund discussed in an article, but are not permitted to disclose the size or direction of the position. Nothing on this website is intended to solicit business of any kind for a writer's business or fund. Minyanville management and staff as well as contributing writers will not respond to emails or other communications requesting investment advice.

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